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ryzh [129]
3 years ago
14

Please help me with this

Mathematics
1 answer:
frutty [35]3 years ago
6 0
The answer for a) is 39 points
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What is the vertex of y=3x^2+6x+5
katen-ka-za [31]
\bf \textit{ vertex of a vertical parabola, using coefficients}\\\\
\begin{array}{llcclll}
y = &{{ 3}}x^2&{{ +6}}x&{{ +5}}\\
&\uparrow &\uparrow &\uparrow \\
&a&b&c
\end{array}\qquad 
\left(-\cfrac{{{ b}}}{2{{ a}}}\quad ,\quad  {{ c}}-\cfrac{{{ b}}^2}{4{{ a}}}\right)
6 0
3 years ago
A. State the coordinates of each point and in which quadrant they lie.
olga_2 [115]

Answer:

a)

  • I   (1, 2)    quadrant 1
  • J  (3, -1)   quadrant 4
  • K  (-4, 0)  x-axis
  • L  (-4, 2)  quadrant 2
  • M (4, -4)  quadrant 4

b) (-4, 0)

c)  (4, 2)

d) (-3, 1)

Step-by-step explanation:

a)

  • I   (1, 2)    quadrant 1
  • J  (3, -1)   quadrant 4
  • K  (-4, 0)  x-axis
  • L  (-4, 2)  quadrant 2
  • M (4, -4)  quadrant 4

b) (-4, 0)  doesn't move as it is already on the x-axis

c)  (4, 2)

d) (-3, 1)

reflected in the x-axis = (3, 1), then reflected in the y-axis = (-3, 1)

8 0
3 years ago
What is 2(x-3) = 14<br> X= ?
HACTEHA [7]

Answer:

X=4 hope this helped :)

Step-by-step explanation:

2(x-3)=14

2x-6=14

2x= 14-6

2x=8

x= 4

8 0
3 years ago
Help me please-math question
vlada-n [284]

Answer:  Median = 50

Step by Step Explanation:

1. Sort the values from smallest to largest (Ascending order) - This step is already done for you in this data set.

2. Find the middle most number. If you're left with two numbers in the middle, find the average of those two numbers - Since this data set is pretty small, you can probably notice that the middle most number is 50.

I hope this helps! :D

8 0
3 years ago
Read 2 more answers
Type of car is considered to be
disa [49]

Answer:

non - living thing

Step-by-step explanation:

what the question

8 0
3 years ago
Read 2 more answers
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